20008545

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 33318912

約数和(自身を除く): 13310367

約数列:

[1, 3, 5, 15, 43, 67, 129, 201, 215, 335, 463, 645, 1005, 1389, 2315, 2881, 6945, 8643, 14405, 19909, 31021, 43215, 59727, 93063, 99545, 155105, 298635, 465315, 1333903, 4001709, 6669515, 20008545]

約数ペア:

[(1, 20008545), (3, 6669515), (5, 4001709), (15, 1333903), (43, 465315), (67, 298635), (129, 155105), (201, 99545), (215, 93063), (335, 59727), (463, 43215), (645, 31021), (1005, 19909), (1389, 14405), (2315, 8643), (2881, 6945)]